Cellist Alisa Weilerstein performs with the National Symphony Orchestra at Tilles Center on Friday.

Exhibits and more...

AB-EX/RE-CON: Abstract Expressionism ReconsideredAB-EX/RE-CON explores both the best known and less familiar practitioners of abstract and gestural painting who dominated the American art, criticism and commentary during the late 1940s and throughout the 1950s. Artists on display include Diebenkorn, J. Ernst, Frankenthaler, Hofmann, Kline, and Motherwell. Through June 16. Nassau County Museum of Art, 1 Museum Dr., Roslyn Harbor. 484-9337 or www.nassaumuseum.org.Across Time & Place: Treasures from the Permanent CollectionThis rotating exhibition highlights a broad range of works by 19th and 20th century American and European artists from the Heckscher Museum’s Permanent Collection. Of particular interest is Étienne Berne-Bellecour’s monumental Embarkation Maneuver, 1882, which factually depicts the departure of a regiment of cuirassiers following the Franco-Prussian War. Heckscher Museum of Art, Main St. and Prime Ave., Huntington. (631) 351-3250 or www.heckscher.org. The Lyon, the Which and the WarholAn exhibit of photographs by photojournalist Danny Lyon and visionary pop artist Andy Warhol, culled from the Hofstra University Museum’s extensive photography collection. The exhibit connects their works to those in other media by Chuck Close, Jim Dine, and Lisbeth Firmin (the “Which”). Through May 19. Hofstra University’s David Filderman Gallery, Joan and Donald E. Axinn Library, South Campus, Hempstead. 463-5672. Using the Lessons of the Holocaust to Teach ToleranceA contextualized history that explains the 1920s’ increase of intolerance, reduction of human rights, and lack of intervention that enabled the persecution and mass murder of millions of Jews and others. Holocaust Memorial and Tolerance Center of Nassau County, 100 Crescent Beach Rd., Glen Cove. 571-8040 ext. 100 or www.holocaust-nassau.org.We Hold These Truths...This exhibition celebrates the 150th anniversary of the Emancipation Proclamation and examines issues of slavery, the abolition movement and emancipation through artworks, artifacts and ephemera. Artists include Willie Cole, Daniel Chester French, Richard Hunt, William H. Johnson, Glenn Ligon, Howardena Pindell, Betye Saar, and Kara Walker. Through July 26. Hofstra University’s Emily Lowe Gallery, Emily Lowe Hall, South Campus, Hempstead. 463-5672 or www.hofstra.edu/museum. Afternoon MovieSee historical drama “Hyde Park on Hudson,” based on the relationship between FDR and his distant cousin Margaret “Daisy” Suckley, centered around a weekend in 1939, Friday, May 10, 2:30 pm.; also the thriller “Promised Land,” about two corporate salespeople who visit a rural town in an attempt to buy drilling rights from the local residents, Tuesday, May 14, 2 p.m. Elmont Memorial Library Theatre, 700 Hempstead Tpke., Elmont. 354-5280.Film ScreeningView the romantic comedy “Playing for Keeps,” Friday, May 10, 1 p.m.; also Monday, May 13, 6:45 p.m. Baldwin Public Library, 2385 Grand Ave., Baldwin. 223-6228.Literary VoicesPoet George Guida reads from his works, hosted by poet Peter V. Dugan, Friday, May 10, 7 p.m. With open mic. Oceanside Library, 30 Davison Ave., Oceanside. 766-2360. Movie MatineeSee “Skyfall,” the latest James Bond thriller, Wednesday, May 15, 2 p.m. Oceanside Library, 30 Davison Ave., Oceanside. 766-2360. Film TimeSee “What to Expect When You’re Expecting,” a romantic comedy inspired by the pregnancy guide of the same name, Thursday, May 16, 2 p.m. Franklin Square Public Library, 19 Lincoln Rd., Franklin Square. 488-3444.